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zloy xaker [14]

3 years ago

10

By what power of 10 can the divisor be multiplied to make it a whole number?

1 answer:

nirvana33 [79]3 years ago

4 0

Step-by-step explanation:

The number divisible by 10 need to be even and divisible by 5, because the prime factors of 10 are 5 and 2. So, it means that for the number to be divisible by 10, the last digit needs to be a zero.

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user100 [1]

10. As 8x = 2x + 60. So x =10

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Amiraneli [1.4K]

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2 years ago

Solve for b.<br> 5/b = 45/36 <br> b = ?

nikitadnepr [17]

Answer:

b=4

Step-by-step explanation:

Format rewrite:

Solve for 'b', when $\frac{5}{b} =\frac{45}{36}\\\\\mathrm{Apply\:fraction\:cross\:multiply:\:if\:}\frac{a}{b}=\frac{c}{d}\mathrm{\:then\:}a\cdot \:d=b\cdot \:c\\\\5\cdot \:36=b\cdot \:45\\180=b\cdot \:45\\\\divide(45)\\\\\\\\\\b=4$

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<em><3</em>

<u><em>red</em></u>

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3 years ago

What is the perimeter of a square garden

Aleonysh [2.5K]

Answer:

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Step-by-step explanation:

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nata0808 [166]

Answer:

$m\angle PTR = 70$

$m\angle 1 = 34$

Step-by-step explanation:

Solving (1):

Given: Trapezium APTR

Find $m\angle PTR$

In the trapezium:

$AR = PT$

And AP is parallel to RT.

This implies that:

$m\angle APT = m\angle RAP =110$ and $m\angle PTR = m\angle TRA$

The sum of all angles is:

$m\angle APT + m\angle RAP + m\angle PTR + m\angle TRA = 360$

$110 + 110 + m\angle PTR + m\angle TRA = 360$

Recall that:

$m\angle PTR = m\angle TRA$

$110 + 110 + m\angle PTR + m\angle PTR = 360$

$220 + 2m\angle PTR = 360$

$2m\angle PTR = 360 - 220$

$2m\angle PTR = 140$

Divide by 2

$m\angle PTR = 70$

Solving (2):

Given

$m\angle 1 = 3x + 4$

$m\angle 2 = x + 24$

Required

Find $m\angle 1$

Both angles are vertically opposie:

So:

$m\angle 1 =m\angle 2$

$3x + 4= x + 24$

Collect Like Terms

$3x -x= 24 - 4$

$2x = 20$

$x = 10$

So:

$m\angle 1 = 3x + 4$

$m\angle 1 = 3 * 10 + 4$

$m\angle 1 = 30 + 4$

$m\angle 1 = 34$

6 0

3 years ago